124754505013 has 4 divisors (see below), whose sum is σ = 124755742188. Its totient is φ = 124753267840.

The previous prime is 124754505011. The next prime is 124754505067. The reversal of 124754505013 is 310505457421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310505457421 = 399887 ⋅776483.

It can be written as a sum of positive squares in 2 ways, for example, as 69483905604 + 55270599409 = 263598^2 + 235097^2 .

It is a cyclic number.

It is not a de Polignac number, because 124754505013 - 2¹ = 124754505011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124754505011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452458 + ... + 673963.

It is an arithmetic number, because the mean of its divisors is an integer number (31188935547).

Almost surely, 2^124754505013 is an apocalyptic number.

It is an amenable number.

124754505013 is a deficient number, since it is larger than the sum of its proper divisors (1237175).

124754505013 is a wasteful number, since it uses less digits than its factorization.

124754505013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1237174.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 124754505013 in words is "one hundred twenty-four billion, seven hundred fifty-four million, five hundred five thousand, thirteen".